#include<iostream> #include<string> #include<sstream> using namespace std; template<typename T> void to_string(T value) { std::ostringstream os; os << value; return os.str; } int main() { int lcc1 = 1; long lcc2 = 122; double lcc3 = 2.1; string s1 = to_string(lcc1); string s2 = to_string(lcc2); string s3 = to_string(lcc3); cout << s1 << "\n" << s2 << "\n" << s3 << endl; }